From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8003FECDFD0 for ; Fri, 14 Sep 2018 12:52:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 441FD20882 for ; Fri, 14 Sep 2018 12:52:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 441FD20882 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linutronix.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728419AbeINSHD (ORCPT ); Fri, 14 Sep 2018 14:07:03 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:49592 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728265AbeINSGW (ORCPT ); Fri, 14 Sep 2018 14:06:22 -0400 Received: from localhost ([127.0.0.1] helo=nanos.tec.linutronix.de) by Galois.linutronix.de with esmtp (Exim 4.80) (envelope-from ) id 1g0nZo-0005wP-MM; Fri, 14 Sep 2018 14:52:00 +0200 Message-Id: <20180914125118.742125147@linutronix.de> User-Agent: quilt/0.65 Date: Fri, 14 Sep 2018 14:50:13 +0200 From: Thomas Gleixner To: LKML Cc: Andy Lutomirski , x86@kernel.org, Peter Zijlstra , Matt Rickard , Stephen Boyd , John Stultz , Florian Weimer , "K. Y. Srinivasan" , Vitaly Kuznetsov , devel@linuxdriverproject.org, virtualization@lists.linux-foundation.org, Paolo Bonzini , Arnd Bergmann , Juergen Gross Subject: [patch 07/11] x86/vdso: Collapse coarse functions References: <20180914125006.349747096@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline; filename=x86-vdso--Collapse-coarse-functions.patch Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org do_realtime_coarse() and do_monotonic_coarse() are now the same except for the storage array index. Hand the index in as an argument and collapse the functions. Signed-off-by: Thomas Gleixner --- arch/x86/entry/vdso/vclock_gettime.c | 20 ++++---------------- 1 file changed, 4 insertions(+), 16 deletions(-) --- a/arch/x86/entry/vdso/vclock_gettime.c +++ b/arch/x86/entry/vdso/vclock_gettime.c @@ -225,21 +225,9 @@ notrace static int do_hres(clockid_t clk return mode; } -notrace static void do_realtime_coarse(struct timespec *ts) +notrace static void do_coarse(clockid_t clk, struct timespec *ts) { - struct vgtod_ts *base = >od->basetime[CLOCK_REALTIME_COARSE]; - unsigned int seq; - - do { - seq = gtod_read_begin(gtod); - ts->tv_sec = base->sec; - ts->tv_nsec = base->nsec; - } while (unlikely(gtod_read_retry(gtod, seq))); -} - -notrace static void do_monotonic_coarse(struct timespec *ts) -{ - struct vgtod_ts *base = >od->basetime[CLOCK_MONOTONIC_COARSE]; + struct vgtod_ts *base = >od->basetime[clk]; unsigned int seq; do { @@ -261,10 +249,10 @@ notrace int __vdso_clock_gettime(clockid goto fallback; break; case CLOCK_REALTIME_COARSE: - do_realtime_coarse(ts); + do_coarse(CLOCK_REALTIME_COARSE, ts); break; case CLOCK_MONOTONIC_COARSE: - do_monotonic_coarse(ts); + do_coarse(CLOCK_MONOTONIC_COARSE, ts); break; default: goto fallback;